54133520 has 40 divisors (see below), whose sum is σ = 143841984. Its totient is φ = 18559872.

The previous prime is 54133493. The next prime is 54133537. The reversal of 54133520 is 2533145.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47774 + ... + 48893.

Almost surely, 2^54133520 is an apocalyptic number.

It is an amenable number.

54133520 is an abundant number, since it is smaller than the sum of its proper divisors (89708464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54133520 is a wasteful number, since it uses less digits than its factorization.

54133520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96687 (or 96681 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 54133520 is about 7357.5485047671. The cubic root of 54133520 is about 378.2875857062.

Adding to 54133520 its reverse (2533145), we get a palindrome (56666665).

The spelling of 54133520 in words is "fifty-four million, one hundred thirty-three thousand, five hundred twenty".